I did Etsy for a while. If I remember right, they charge a small fee just for the listing and then they take a percentage of the sale. The problem is there’s just SO many sellers on there, it’s hard to stand out. I think a lot of the people who succeed on Etsy are the ones who are out there doing craft shows and other stuff too. Facebook would be a good, free way to test the waters and see if people are interested.